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231679 (1995 QE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2231679
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455992545862048 1.1178e-07  
a 3.226810115558589 6.5823e-08 AU
q 2.756988968042033 3.7072e-07 AU
i 5.22957661860049 1.4596e-05 deg
node 162.7819423224274 0.00012818 deg
peri 144.7327890700169 0.00014277 deg
M 141.7029398930078 5.2213e-05 deg
tp 2456167.135682267317
(2012-Aug-27.63568227)
0.0003072 JED
period 2117.183698590078
5.80
6.4782e-05
1.774e-07
d
yr
n .1700372056707877 5.2029e-09 deg/d
Q 3.696631263075145 7.5407e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      1995-08-19  
   last obs. used      2013-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59902  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 00:11:26  

Additional Information
 Earth MOID = 1.74549 AU 
 T_jup = 3.164 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO245471  

231679 (1995 QE1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 1995 QE1 = 1995 SB40 = 2001 SC208 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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